package Code.StringTraverse;

import java.util.Scanner;

/*统计祖父次数
键盘录入一个字符串，统计该字符串中大写字母字符，小写字母字符，数字字符出现的次数

 */
public class Test1 {
    public static void main(String[] args) {

        Scanner scanner = new Scanner(System.in);
        System.out.println("请输入一个字符串：");
        String str = scanner.next();

        int bigCount = 0;
        int smallCount = 0;
        int numberCount = 0;

        for (int i = 0; i < str.length(); i++) {
            char c = str.charAt(i);

            if (c >= 'A' && c <= 'Z') {
                bigCount++;
            } else if (c >= 'a' && c <= 'z') {
                smallCount++;
            } else if (c >= '0' && c <= '9') {
                numberCount++;
            }
        }
        System.out.println("小写字母有" + bigCount + "个,大写字母有" + smallCount + "个,数字有" + numberCount + "个");


    }
}
